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1.25ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG772661061

Shape and cutting style on the report: Round brilliant

Certificate IGI LG772661061

Diamond specifications and retailer prices

From $217 SGD
As of November 1, 2026
Save $1,045 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,262 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG772661061 or 772661061. Listed at 14 retailers as of November 1, 2026, with prices from $217 to $1,262, a $1,045 spread on the same certified stone. MOH London lists it at $1,262. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.25
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772661061
Dimensions6.94 × 6.91 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.94 mm6.91 mm1.25 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772661061
Side View
Table 57.0%Crown 33.7°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,262 SGD|Low: $209 SGD|High: $1,299 SGD|Avg: $542 SGD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 4, 2026
Retailer 12$217 SGD
Retailer 13$244 SGD
Retailer 5$270 SGD
Retailer 11$270 SGD
Retailer 8$462 SGD
Retailer 10$479 SGD
Retailer 3$482 SGD
Retailer 4$510 SGD
Retailer 9$533 SGD
Retailer 14$590 SGD
Retailer 2$619 SGD
Retailer 7$706 SGD
Retailer 6$766 SGD
MOH London$1,262 SGD

34 data points across 14 retailers

14 retailers$217 SGD to $1,262 SGD

A
Cheapest Retailer
-
$217 SGD
A
Retailer 2
-
$244 SGD
View
Final sale: no returns
Retailer 3
-
$270 SGD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$270 SGD
View
A
Retailer 5
-
$462 SGD
View
A
Retailer 6
-
$479 SGD
View
A
Retailer 7
-
$482 SGD
View
A
Retailer 8
-
$510 SGD
View
A
Retailer 9
-
$533 SGD
View
B+
Retailer 10
-
$590 SGD
View
B+
Retailer 11
-
$619 SGD
View
B+
Retailer 12
-
$706 SGD
View
B
Retailer 13
-
$766 SGD
View
Most Expensive
B
MOH London
LG772661061 · Nov 2
$1,262 SGD
£778 GBP
View
13 more retailers have this diamond
Prices start from $217 SGDSave up to $1,045 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.25ct Round
$217 SGD